Device for cleaning frozen window-glasses and for preventing them from freezing.



No. 842,979. PATENTED FEB. 5, 1907.

. G. J. SCHULTZ.

DEVICE FOR CLEANING FROZEN WINDOW GLASSES AND FOR ERE-VENT-ING THEM FROM FREEZING. APPLIUATI N FILED MAB. 31. 1905.

CHRISTOFFEYR; JACOB DEVICE/FOR CLEANI G FROZEN-WIINDOW-IGLASSES AND FOR Pmgvrmmernm mom m stzme.

To all whom it may co ricerri: I

;Be it known that I, CHRISTOFFER JACOB SCHULTZ, a subject of-the German Emperor,

- and a resident of Flensbur'g, Germany, have invented certain new and useful Devices for I Cleaning Frozen WVindow-Glasses and for I Preventing following is a specification.

them from Freezing, of which the This invention relates to a device which is intended to serve for removing and efliciently preventing the formation of ice on window panes and the like, and more particularly on windows ofvery-large dimensions; such as show-room or shop-Windows.

In the annexed drawings, Figure 1 is a front view, and Fig. 2 isa sectionalside'view,

of'the device-embodying theinvention' I 39 owing to the rol A hori zontal trou h b, of semicircularcrosssection and adapte to receive a liquid icen'ielti'ng medium of anyvkind such as, for instance, a solution of common saltis arranged below and at some-distance. apart from a'turnable horizontal cylinder a, which I isarranged in front of the windows, so as to I 5.

bein slight Contact with the same,".this cylin-' der being' connected with the said -trough'.. By means of rollers d and cords the cylinder 0,, to ether with the trough'b, can be moved .up an down along the window 0,

Specification of Letters Patent. 1 I Application filed March 31,1905. s r:a1'No .25?',17e. 2

guide-rods 'e,

lers (1 moving alongvertical I sides of the WllldOW.

.EgThQ transmission of the ice-melting medium on the window cis effected by thecyl inder a dippingv into the contents of the trough I) and rotat Contact with the win ow 0 when being moved up and down alo the latter. Having now ful y described my said invenv tion, what I claim,jand' desire to secure by Letters Patent,-i s.'

In a device for removing and preventin the formation "of ice on window-panes an'i SCHULTZ,- -0F FLENSBURC,C RMANY;

' PatentedFeb..5, 1 907.

rovidedfor this purpose at the i on account of itsslight the like the combination with aturnable horizontal cylinder arranged in'front of the. 45 v window;pane and in slight contactwith the latter, 0 a trough adapted to receive a liquid ice-melting medium such asa solution of common salt, the cylinder dipping into this medium, means for moving the saidcylinder together withthe trough up'and down'along the windowand means for guiding same during their.up-anddown motion, substantially 'asand for the purpose described.

In testimony whereof I have hereunto set myhand in presence of two witnesses.

. CHRISTOFFER JACOB SCHULTZ. Witnessesz- I JULIUS Rome,-

ARNO' THURAN. 

